# US 2019/0167833 A1 · Air purifiler > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0167833 A1 - Document ID: US20190167833A1 - Status: Published application - Kind: A1 - Application number: 16/209,798 - Filed: 2018-12-04 - Published: 2019-06-06 - Earliest claimed: 2017-12-05 - Assignees: Jin-Ting Hou - Inventors: Chin-Huei Yang; Yen-Yang Huang; Jin-Ting Hou - Web page: https://patentgrep.com/patent/US20190167833A1 ## CPC - A61L 2/14: Plasma, i.e. ionised gases - A61L 9/20: Ultraviolet radiation - F24F 8/108: using dry filter elements - F24F 13/28: Arrangement or mounting of filters - A61L 2209/11: Apparatus for controlling air treatment - A61L 2209/12: Lighting means - A61L 2209/14: Filtering means - A61L 2209/212: Use of ozone, e.g. generated by UV radiation or electrical discharge - F24F 8/22: using UV light - F24F 8/99: for treating air sourced from urban areas, e.g. from streets - F24F 13/20: Casings or covers - A61L: METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES (preservation of bodies or disinfecting characterised by the agents employed A01N; preserving, e.g. sterilising, food or foodstuffs A23; preparations for medical, dental or toiletry purposes A61K) - F24F: AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING (removing dirt or fumes from areas where they are produced B08B15/00; vertical ducts for carrying away waste gases from buildings E04F17/02; tops for chimneys or ventilating shafts, terminals for flues F23L17/02) ## Abstract The present invention discloses an air purifier, comprising: a upper cover, having at least one grid column on front terminal of the upper cover; a bottom cover, having at least one grid column on front terminal of the bottom cover; and two groups of ultraviolet light emitting diodes (LEDs), respectively having a heat sink and a ultraviolet light emitting diode (LED), wherein the ultraviolet LED is mounted on the heat sink, and a wavelength range of the ultraviolet LED is between 100 nm and 480 nm; wherein the grid column on front terminal of the upper cover is combined with the grid column on front terminal of the bottom cover to form a column hole through which an air flows out. ## Claims ### Claim 1 An air purifier, comprising: a upper cover, having at least one grid column on front terminal of the upper cover; a bottom cover, having at least one grid column on front terminal of the bottom cover; and two groups of ultraviolet light emitting diodes (LEDs), respectively having a heat sink and a ultraviolet light emitting diode (LED), wherein the ultraviolet LED is mounted on the heat sink, and a wavelength range of the ultraviolet LED is between 100 nm and 480 nm; wherein the grid column on front terminal of the upper cover is combined with the grid column on front terminal of the bottom cover to form a column hole through which an air flow out. ### Claim 2 (depends on 1) The air purifier of claim 1, wherein the wavelength range of the two groups of ultraviolet LEDs is between 100 nm and 280 nm. ### Claim 3 (depends on 2) The air purifier of claim 2, wherein the wavelength of one of two groups of ultraviolet LEDs are 260 nm, and the wavelength of another group of ultraviolet LEDs are 280 nm. ### Claim 4 (depends on 1) The air purifier of claim 1, wherein the wavelength range of one of two groups of ultraviolet LEDs is between 100 nm and 280 nm, and the wavelength range of another group of ultraviolet LEDs is between 400 nm and 480 nm which is violet-blue light wavelength range. ### Claim 5 (depends on 4) The air purifier of claim 4, wherein the wavelength of one of two groups of ultraviolet LEDs are 275 nm, and the wavelength of another group of ultraviolet LEDs are 405 nm which is violet-blue light wavelength range. ### Claim 6 (depends on 1) The air purifier of claim 1, further comprising: a filter cover, a filter, a motor, a control module, a power module and a diversion tube, wherein the filter cover, the motor, the control module, the power module and the diversion tube are mounted between the upper cover and the bottom cover, and arranged in sequence toward the column hole, wherein the filter is mounted between the filter cover and the motor, one side of the motor has a suction inlet, the suction inlet is adjacent to the filter, and another side of the motor is adjacent to the diversion tube, wherein the power module and the control module are mounted on outer surface of the diversion tube, the power module has a transformer, and the power module electrically connects to the control module and the motor, wherein two sides of an gap between the filter and the motor respectively has the two groups of ultraviolet LEDs, and the two groups of ultraviolet LEDs electrically connects to the control module. ### Claim 7 (depends on 6) The air purifier of claim 6, wherein the diversion tube has a support and blow hole, the support is adjacent to the motor, and the filter cover has a plurality of filtering holes, and inside of the filter consists of a plurality of filter films. ### Claim 8 (depends on 1) The air purifier of claim 1, wherein the control module further comprises a circuit board and a control board, and the circuit board comprises a plurality of light emitting diodes, a plurality of buttons, at least one connector and a switch, and the control board electrically connects to the circuit board and the motor, the control board comprises a connector, the connector of the control board is electrically connected to the connector of the circuit board, and wherein there are many the light emitting diode holes correspond to the light emitting diodes mounted on the upper cover, and there are many button holes correspond to the buttons mounted on the upper cover. ### Claim 9 (depends on 8) The air purifier of claim 8, wherein the circuit board further comprises a negative ion generator, the negative ion generator is arranged in inside of the diversion tube, and the negative ion generator electrically connects the circuit board. ### Claim 10 An air purifier, comprising: a upper cover, having at least one grid column on front terminal of the upper cover; a bottom cover, having at least one grid column on front terminal of the bottom cover, wherein the grid column on front terminal of the upper cover is combined with the grid column on front terminal of the bottom cover to form a column hole through which an air flow out; two groups of ultraviolet LEDs, respectively having a heat sink and a ultraviolet LED, wherein the ultraviolet LED is mounted on the heat sink, and a wavelength range of the ultraviolet LED is between 100 nm and 480 nm; and a bag, having a hole, and a place in the hole, and the place inside correspond to the upper cover and the bottom cover, and a plurality of through holes arranged on a surface of the bag, the through holes connecting to the place, and the air flowed out through the through hole to the outside of the bag, and wherein there is a fixed element mounted on outer surface of the bag, and the fixed element fixes the bag on a chair back of a car chair. ### Claim 11 (depends on 10) The air purifier of claim 10, wherein the fixed element is selected from one of the flexible band, a clip, a rope or a velcro. ### Claim 12 (depends on 10) The air purifier of claim 10, wherein the wavelength range of the two groups of ultraviolet LEDs is between 100 nm and 280 nm. ### Claim 13 (depends on 12) The air purifier of claim 12, wherein the wavelength of one of two groups of ultraviolet LEDs are 260 nm, and the wavelength of another group of ultraviolet LEDs are 280 nm. ### Claim 14 (depends on 10) The air purifier of claim 10, wherein the wavelength range of one of two groups of ultraviolet LEDs is between 100 nm and 280 nm, and the wavelength range of another group of ultraviolet LEDs is between 400 nm and 480 nm which is violet-blue light wavelength range. ### Claim 15 (depends on 14) The air purifier of claim 14, wherein the wavelength of one of two groups of ultraviolet LEDs are 275 nm, and the wavelength of another group of ultraviolet LEDs are 405 nm which is violet-blue light wavelength range. ### Claim 16 (depends on 10) The air purifier of claim 10, further comprising: a filter cover, a filter, a motor, a control module, a power module and a diversion tube, wherein the filter cover, the motor, the control module, the power module and the diversion tube are mounted between the upper cover and the bottom cover, and arranged in sequence toward the column hole, wherein the filter is mounted between the filter cover and the motor, one side of the motor has a suction inlet, the suction inlet is adjacent to the filter, and another side of the motor is adjacent to the diversion tube, wherein the power module and the control module are mounted on outer surface of the diversion tube, the power module has a transformer, and the power module electrically connects to the control module and the motor, wherein two sides of an gap between the filter and the motor respectively has the two groups of ultraviolet LEDs, and the two groups of ultraviolet LEDs electrically connects to the control module. ### Claim 17 (depends on 10) The air purifier of claim 10, wherein the diversion tube has a support and a blow hole, the support is adjacent to the motor, and the filter cover has a plurality of filtering holes, and inside of the filter consists of a plurality of filter films. ### Claim 18 (depends on 10) The air purifier of claim 10, wherein the control module further comprises a circuit board and a control board, and the circuit board comprises a plurality of light emitting diodes, a plurality of buttons, at least one connector and a switch, and the control board electrically connects to the circuit board and the motor, the control board comprises a connector, the connector of the control board is electrically connected to the connector of the circuit board, and wherein there are many the light emitting diode holes correspond to the light emitting diodes mounted on the upper cover, and there are many button holes correspond to the buttons mounted on the upper cover. ### Claim 19 (depends on 18) The air purifier of claim 18, wherein the circuit board further comprises a negative ion generator, the negative ion generator is arranged in inside of the diversion tube, and the negative ion generator electrically connects the circuit board.